<!DOCTYPE html>
<html xmlns:th="http://www.thymeleaf.org">
<head>
    <meta charset="UTF-8">
    <title>Insert title here</title>
</head>
<body>
<form method="post" th:action="@{/v2/pay}">
    <button type="submit">支付</button>
    <!--<button type="submit"><img src="images/paypal.jpg" width="100px;" height="30px;"/></button>-->
</form>
</body>
</html>